Descripción del trabajo Agile Engine is an Inc. 5000 company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in areas like application development and AI/ML, and our people-first culture has earned us multiple Best Place to Work awards. WHY JOIN US If you're looking for a place to grow, make an impact, and work with people who care, we'd love to meet you! ABOUT THE ROLE We are looking for a Senior Backend Engineer to design and build scalable middleware services powering digital ordering, payments, loyalty, and third‑party integrations across a major consumer platform. You will develop serverless applications using AWS Lambda and API Gateway, build Node.Js/Type Script microservices, design event‑driven architectures with SQS/SNS, and implement infrastructure as code with Terraform. The role includes active use of AI‑assisted development tools as a core part of the daily engineering workflow. WHAT YOU WILL DO Develop serverless applications using AWS Lambda and API Gateway;
Build and maintain Node.Js/Type Script microservices;
Design event‑driven architectures using SQS/SNS;
Build infrastructure ascode using Terraform;
Leverage AI‑assisted development tools (Git Hub Copilot, Claude, and similar) as a core part of daily engineering work — from code generation and refactoring to test coverage and documentation. Champion AI tooling adoption across the team;
Create integrations with delivery providers and payment platforms;




Collaborate with business stakeholders and product teams to understand functional and technical requirements;
translate those into scalable, maintainable architecture and implementation plans;
Conduct constructive code reviews and provide technical design guidance to peers and junior engineers, raising the overall quality and consistency of team output;
Enforce data governance, security policies, and compliance standards throughout the software development lifecycle;
Implement secure authentication and identity flows using Amazon Cognito. MUST HAVES 4+ years of backend development experience;
Demonstrated experiencebuilding and operating RESTful and/or Graph QL APIs at scale;
Strong proficiency in one or more of: Java Script/Type Script (Node.Js, Java, or C#);
Experience with serverless architectures on AWS (Lambda, API Gateway, Dynamo DB, SQS/SNS);
Demonstrated experiencebuilding and operating RESTful and/or Graph QL APIs at scale;
Experience with CI/CD pipelines and source control workflows (Git, Git Hub Actions, Azure Dev Ops);
Familiarity with Infrastructure as Code (Terraform or Cloud Formation);
Solid understanding of integration patterns: event‑driven architecture, webhooks, async messaging, and pub/sub;
Experience integrating with third‑party platforms and vendor APIs (e.G.,



delivery aggregators, POS systems, loyalty platforms, or similar ecosystem partners);
Ability to translate ambiguous business requirements into clear technical specifications;
Collaborative mindset with a willingness to give and receive candid code review feedback;
Strong debugging, root‑cause analysis, and production incident management skills;
Upper‑intermediate English level. NICE TO HAVES Door Dash, Uber Eats, or similar delivery integrations;
Payment platform integrations;
Restaurant, retail, or QSR experience;
Amazon Cognito expertise;
Experience with multi‑region AWS deployments and general traffic management (Akamai, Cloud Front);
Familiarity with identity and authentication patterns: OAuth 2.0, Open ID Connect, AWS Cognito;
Hands‑on experience with observability platforms (Dynatrace, Datadog, Cloud Watch);
Experience prompting, fine‑tuning, or orchestrating LLMs/AI agents as part of a software delivery workflow;
Experience in QSR, retail, or e‑commerce domains;
AWS Certified Developer– Associate or higher;
Exposure to React Native or cross‑platform mobile app integration patterns. PERKS AND BENEFITS Professional growth : Mentorship, Tech Talks, and personalized growth roadmaps. Competitive compensation : Competitive USD‑based compensation and budgets for education, fitness, and team activities. Exciting projects : Modern solutions with Fortune 500 and top product companies. Flextime : Flexible schedule with remote and office options. #J-18808-Ljbffr

📌 Senior Software Engineer Id72455 (Barcelona)
🏢 AgileEngine
📍 Barcelona